Hospital Consolidation: Nearly Half of US Markets Controlled by One or Two Systems in 2024

The escalating cost of healthcare is a national conversation, but its impact isn’t felt equally. New data reveals a concerning trend: hospital market concentration is increasing, and in nearly half of all metropolitan areas across the US, just one or two health systems control the entire inpatient hospital care market. This isn’t a distant economic issue; it’s a reality that’s reshaping access and affordability for communities like Austin, Texas, where the interplay between rapid growth and healthcare consolidation is particularly acute.

National health spending reached $5.3 trillion in 2024, representing 18% of the Gross Domestic Product (GDP). Projections indicate this growth will continue to outpace GDP growth through 2033, placing increasing financial strain on families, employers, and government programs. A significant portion of this spending – the largest, in fact – is allocated to hospital care. From 2022 to 2024, hospital expenditures accounted for a staggering 40% of the overall growth in national health spending. This surge, coupled with increasing consolidation, is raising serious questions about the future of healthcare costs and quality.

Key Takeaways

• One or two health systems controlled the entire market for inpatient hospital care in nearly half (47%) of metropolitan areas in 2024.
• In more than four of five metropolitan areas (83%), one or two health systems controlled more than 75 percent of the market.
• Nearly all (97% of) metropolitan areas had highly concentrated markets for inpatient hospital care when applying HHI thresholds from antitrust guidelines to MSAs.
• Most hospital markets in metropolitan areas (80%) became less competitive from 2015 to 2024 or were controlled by one health system over that entire period.

One or Two Health Systems Controlled the Entire Market for Inpatient Hospital Care in Nearly Half (47%) of Metropolitan Areas in 2024

In 2024, 19% of metropolitan statistical areas (MSAs) were dominated by a single health system, while an additional 27% were controlled by just two. This means that in over 83% of MSAs, one or two systems held more than 75% of the market share. These markets are classified as highly concentrated based on current antitrust guidelines. A single health system controlled at least half of the market in approximately 76% of MSAs and at least a quarter in nearly every MSA. Consider the implications for a city like Austin, which has seen explosive population growth in recent years. While Austin boasts multiple health systems, two – HCA Healthcare and Ascension Healthcare – control a combined 89% of the inpatient hospital care market.

Nearly All (97%) of Metropolitan Areas Had Highly Concentrated Markets for Inpatient Hospital Care in 2024 Based on Thresholds Used in Current Antitrust Guidelines

The Herfindahl-Hirschman Index (HHI) is a commonly used measure of market concentration. Current Federal Trade Commission (FTC) and Department of Justice (DOJ) guidelines categorize markets as not concentrated (HHI < 1,000), moderately concentrated (1,000 – 1,800), and highly concentrated (HHI > 1,800). An astounding 97% of MSAs were classified as highly concentrated in 2024, reflecting a tightening grip on hospital care markets. Even in larger metropolitan areas like Cincinnati, Los Angeles, and Miami, which generally have more healthcare providers, a significant degree of concentration exists. This trend is particularly concerning as it potentially limits patient choice and bargaining power.

The Share of Hospitals Affiliated With Health Systems Increased From 56% in 2010 to 69% in 2024, With the Share Growing in Both Rural and Urban Areas

The trend towards consolidation is evident in the increasing number of hospitals becoming part of larger health systems. In 2024, 69% of hospitals were affiliated with a system, up from 56% in 2010. This increase is observed in both rural and urban areas, though rural hospitals lag behind in system affiliation (53% vs. 80%). The majority of system-affiliated hospitals are part of large systems, with 52% belonging to systems with at least 15 hospitals and 19% to systems with 50 or more. This shift towards larger systems may offer some benefits, such as economies of scale and improved coordination of care, but it too raises concerns about reduced competition and potential price increases.

Most Hospital Markets in Metropolitan Areas (80%) Became More Concentrated From 2015 to 2024 or Were Controlled by One Health System Over That Entire Period

The data paints a clear picture: hospital markets are becoming increasingly concentrated. Eighty percent of metropolitan areas experienced an increase in market concentration between 2015 and 2024, or were already controlled by a single health system throughout that period. This trend is widespread across different sized cities and regions. For residents of Austin, this means fewer options and potentially higher costs when seeking inpatient hospital care. The implications extend beyond Austin, impacting communities nationwide.

Given my background in healthcare economics and market analysis, if this trend impacts you in the Austin area, or any other rapidly growing metropolitan area, here are three types of local professionals you need to consider consulting:

1. Healthcare Cost Advocates:

These professionals specialize in navigating the complexities of medical billing and insurance claims. Look for advocates with a proven track record of successfully negotiating lower rates with hospitals and insurance companies, and who are familiar with Texas-specific healthcare regulations. Certification from organizations like the Patient Advocate Foundation is a plus.

2. Independent Insurance Brokers:

Unlike captive insurance agents who work for a single company, independent brokers represent multiple insurers. Seek a broker with extensive knowledge of the Austin healthcare landscape, including the networks of the dominant health systems (HCA and Ascension). They should be able to help you find a plan that balances cost and access to care.

3. Medical Billing Auditors:

These experts review your medical bills for errors and overcharges. They can identify discrepancies and help you dispute incorrect charges with the hospital or insurance company. Look for auditors with experience in hospital billing practices and a strong understanding of coding and documentation requirements.

Ready to find trusted professionals? Browse our complete directory of top-rated Health Costs,Health Care Markets,Hospitals,Prices experts in the Austin area today.